PT-2013-30: Denial of Service in Siemens Simatic WinCC TIA Portal
(PT-2013-30) Positive Technologies Security Advisory
Denial of Service in Siemens Simatic WinCC TIA Portal
Siemens Simatic WinCC TIA Portal
Severity level: Medium
Impact: Denial of Service
Access Vector: Remote
Base Score: 4.0
WinCC TIA Portal is part of a new, integrated engineering concept which offers a uniform engineering environment for programming and configuration of control, visualization and drive solutions.
The specialists of the Positive Research center have detected "Denial of Service" vulnerability in Siemens Simatic WinCC TIA Portal.
By manipulating HTTP requests an authenticated attacker may crash the HMI’s web application. The web application will become unavailable until the device is restarted.
How to fix
Update your software up to the latest version
21.09.2012 - Vendor gets vulnerability details
15.03.2013 - Vendor releases fixed version and details
29.03.2013 - Public disclosure
The vulnerability was discovered by Roman Ilin, Artem Chaykin, Ilya Karpov, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research:
About Positive Technologies
Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.
The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.
Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations, 20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.
Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.